Norton 66261043425 Quick-change Disc 3in 120 Grit

Product Description

The NORTON 66261043425 is a 3-inch ceramic alumina coated abrasive disc designed for high-performance material removal on metal surfaces. Built on a polyester backing with a Type R (Speed-Lok TR) quick-change attachment system, this disc runs at up to 20,000 RPM on handheld disc sanders. The 120-grit, fine-grade ceramic grain is engineered to continuously expose sharper cutting edges as the disc wears, while a resin bond system holds grain firmly in place throughout the disc's service life. A self-lubricating grain treatment reduces heat buildup, extending disc life and improving cut rates on demanding applications.

This disc is rated for use on 300 series and 400 series stainless steel, making it well suited for weld blending, deburring, and stock removal tasks in fabrication and maintenance environments. The Speed-Lok TR attachment system allows fast, tool-free disc changes on compatible handheld disc sanders, reducing downtime between operations. The orange polyester-backed construction with black button is part of Norton's R980P series, which targets professional metalworking and finishing workflows.

Key Features

• 100% ceramic grain continuously exposes sharper edges for consistent cut performance
• Resin bond system maximizes grain retention across the disc life
• Self-lubricating grain treatment reduces heat and supports faster cut rates
• Type R Speed-Lok TR quick-change attachment for rapid disc swaps
• Rated up to 20,000 RPM for use on handheld disc sanders
• Polyester Y-weight backing provides durability under aggressive stock removal

Compatibility

Designed for use with handheld disc sanders equipped with a Type R (Speed-Lok TR) quick-change attachment system. Rated for material applications on 300 series and 400 series stainless steel.

Installation Notes

Installation is performed by grinding and fabrication professionals. Before mounting, confirm the tool's rated RPM meets or exceeds the disc's 20,000 RPM maximum and that the arbor uses a compatible Type R Speed-Lok TR hub. Inspect the disc for damage before each use and never operate a disc that shows cracks, tears, or delamination. Follow applicable ANSI B7.1 safe-use guidelines for coated abrasive products when operating handheld grinders and sanders.